| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.049 | 20/6:00.980 |
| 2 | 1 | 18.459 | 20/6:05.080 |
| 3 | 1 | 18.430 | 20/6:06.253 |
| 4 | 1 | 18.532 | 20/6:07.350 |
| 5 | 1 | 19.778 | 20/6:12.992 |
| 6 | 2 | 21.561 | 19/6:03.562 |
| 7 | 2 | 18.477 | 19/6:01.776 |
| 8 | 2 | 19.269 | 19/6:02.318 |
| 9 | 2 | 18.604 | 19/6:01.336 |
| 10 | 2 | 18.431 | 19/6:00.221 |
| 11 | 2 | 18.258 | 20/6:17.905 |
| 12 | 2 | 18.834 | 20/6:17.803 |
| 13 | 2 | 19.367 | 20/6:18.537 |
| 14 | 2 | 21.203 | 19/6:02.699 |
| 15 | 2 | 18.348 | 19/6:01.760 |
| 16 | 2 | 19.094 | 19/6:01.824 |
| 17 | 2 | 19.619 | 19/6:02.467 |
| 18 | 2 | 18.560 | 19/6:01.922 |
| 19 | 2 | 19.225 | 19/6:02.098 |